package 同步不具有继承性;

public class Sub extends Main{
	synchronized public void serviceMethod(){
		try {
			System.out.println("int sub 下一步 sleep begin threadName="+
					Thread.currentThread().getName()+" time="
					+System.currentTimeMillis());
			Thread.sleep(5000);
			System.out.println("int sub 下一步 sleep end threadName="+
					Thread.currentThread().getName()+" time="+
					System.currentTimeMillis());
			
		super.serviceMethod();
		}catch(InterruptedException e){
			e.printStackTrace();
			
		}
		
	}

}
